package cn.wolfcode.service.impl;

import cn.wolfcode.domain.Role;
import cn.wolfcode.mapper.RoleMapper;
import cn.wolfcode.qo.QueryObject;
import cn.wolfcode.service.IRoleService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;


import java.util.List;

@Service
public class RoleServiceImpl implements IRoleService {

    @Autowired
    private RoleMapper roleMapper;

    @Override
    public void save(Role role, Long[] ids) {
        roleMapper.insert(role);
        //删除关联
        roleMapper.deleteRelation(role.getId());

        if (ids!=null&&ids.length>0){
            for (Long permissionId : ids){
                roleMapper.insertRelation(permissionId, role.getId());
            }
        }
    }

    @Override
    public void delete(Long id) {
        roleMapper.deleteByPrimaryKey(id);
        roleMapper.deleteRelation(id);
    }

    @Override
    public void update(Role role, Long[] ids) {
        roleMapper.updateByPrimaryKey(role);

        roleMapper.deleteRelation(role.getId());

        if (ids!=null&&ids.length>0){
            for (Long permissionId : ids){
                roleMapper.insertRelation(permissionId, role.getId());
            }
        }
    }

    @Override
    public Role get(Long id) {

        Role role = roleMapper.selectByPrimaryKey(id);
        return role;
    }

    @Override
    public List<Role> listAll() {

        List<Role> list = roleMapper.selectAll();
        return list;
    }

    @Override
    public PageInfo<Role> query(QueryObject qo) {
        /*int count = roleMapper.selectForCount(qo);
        if (count == 0) {
            PageResult<Role> pageResult = new PageResult<>(qo.getCurrentPage(), qo.getPageSize(), count, Collections.emptyList());
            return pageResult;
        }

        //获取总页数
        int totalPage = count % qo.getPageSize()== 0
                ? count /qo.getPageSize() : count/ qo.getPageSize()+1;
        //判断当前页是否大于总页数,如果是,把总页数作为当前页查询分页结果集
        if (qo.getCurrentPage()>totalPage){
            qo.setCurrentPage(totalPage);
        }*/
        PageHelper.startPage(qo.getCurrentPage(),qo.getPageSize());

        List<Role> roles = roleMapper.selectForList(qo);
        return new PageInfo<>(roles);
    }

    //权限查询
    @Override
    public List<String> selectSnById(Long empId) {
        return roleMapper.selectSnById(empId);
    }
}
